CVE-2026-1459

EUVD-2026-7399
A post-authentication command injection vulnerability in the TR-369 certificate download CGI program of the Zyxel VMG3625-T50B firmware versions through 5.50(ABPM.9.7)C0 could allow an authenticated attacker with administrator privileges to execute operating system (OS) commands on an affected device.
OS Command Injection
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.2 HIGH
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Affected Products (NVD)
VendorProductVersion
zyxelvmg8623-t50b_firmware
𝑥
≤ 5.50\(abpm.9.7\)c0
zyxeldx5401-b1_firmware
𝑥
≤ 5.17\(abyo.7.1\)c0
zyxelemg3525-t50b_firmware
𝑥
≤ 5.50\(abpm.9.7\)c0
zyxelemg5523-t50b_firmware
𝑥
≤ 5.50\(abpm.9.7\)c0
zyxelvmg3625-t50b_firmware
𝑥
≤ 5.50\(abpm.9.7\)c0
zyxelvmg3625-t50c_firmware
𝑥
≤ 5.50\(abpm.9.7\)c0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-null-pointer-dereference-and-command-injection-vulnerabilities-in-certain-4g-lte-5g-nr-cpe-dsl-ethernet-cpe-fiber-onts-security-routers-and-wireless-extenders-02-24-2026